RCE in Totolink A3100r
CVE-2024-7158
A vulnerability was found in TOTOLINK A3100R 4.1.2cu.5050_B20200504. It has been declared as critical. This vulnerability affects the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The ma…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.020 (83.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Totolink A3100r — versions 4.1.2cu.5050_B20200504
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-272572 | TOTOLINK A3100R HTTP POST Request cstecgi.cgi setTelnetCfg command injection (vdb-entry, technical-description)
- VDB-272572 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #377543 | TOTOLINK A3100R V4.1.2cu.5050_B20200504 Command Injection (third-party-advisory)
- github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3100R/setTelnetCfg.md (exploit)
Frequently asked questions
- What is CVE-2024-7158?
- CVE-2024-7158 is a medium-severity vulnerability in Totolink A3100r, classified under Command Injection. CVSS score: 6.3/10. Published 2024-07-28.
- How severe is CVE-2024-7158?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2024-7158 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.